#include <iostream>
#include <cmath>
using namespace std;
int main()
{
double x,y;
long long num;
cout <<"请输入一个纯小数"<<endl;
do
{
cout <<"x=";
cin>>x;	
}while(x>=1||x<=0);
num=1;
do
{
num*=10;
y=x*num;
}while(fabs(y-(int)y)>1e-9);//这里是一e
cout <<int(y)<<endl;
return 0; 	
}
